class_docstr: Custom gRPC server to override gRPC method methods.
  
  Original implementation see: https://github.com/grpc/grpc/blob/
      60c1701f87cacf359aa1ad785728549eeef1a4b0/src/python/grpcio/grpc/aio/_server.py
code: def __init__(self, service_handler_factory, *args, **kwargs):
      super().__init__(*args, **kwargs)
      self.service_handler_factory = service_handler_factory
      self.generic_rpc_handlers = []
  
file_path: ray/python/ray/serve/_private/grpc_util.py
imports: from typing import Sequence
  import grpc
  from grpc.aio._server import Server
label_desc: Use image node_id 1 to create a new gRPCServer object from inherited base classes: Server with example: obj = gRPCServer(service_handler_factory)